Bruce B:
People were asking about examples of these at the discussion during the conference. Here is the link to the Barons. There is a PDF that can be downloaded at the bottom of the page. When you incorporate don't forget the non-discrimination clause!

http://beerbarons.org/about/constitution.html

dbeechum:
And this is the one for the Falcons. (mentioned earlier, but keeping it together)

http://www.maltosefalcons.com/about/bylaws

MDixon:
Here's the ones for CARBOY, but they are not quite up to date. We recently did a minor revision to the calendar year.http://www.carboyclub.com/by-laws.htm

denny:
Here's the Cascade Brewers Society...

http://www.cascade-brewers.com/media/docs/CBS.theshortform.pdf

bobby_m:
Whales of Central NJ:

http://www.whalesbrewclub.com/bylaws

We went something like 11 years before we had official bylaws and wrote them out of necessity. Admittedly it contains far more detail than likely necessary.